1. Examples of vasculature, or blood vessels, include: a.arteries b. veins c.cap

Question

1. Examples of vasculature, or blood vessels, include:

a.arteries

b. veins

c.capillaries

d. all of the above

e. none of the above

2. Chamber(s) of the heart that eject blood to the rest of the body include:

a.

right atrium

b. left atrium

c.left ventricle

d. aorta

e. all of the above

f.none of the above

3. Assuming the left-side of the heart undergoes a uniform change in volume of 50 mL over a cardiac cycle with a

respective uniform change in pressure of 110 mmHg, the work done by the left-side of the heart is about:

a.1.46 J

b. 14.6 J

c.1.33 J

d. 0.73 J

4. If the left-side of the heart does 1 J of work over a cardiac cycle and is beating at a rate of 60 beats per minute, the power it expends is about:

a.1 W

b. 10 W

c.60 W

d. 6 W

5. If a heart pumps on average 100 mL per beat, 60 beats/minute, and 200 million L over a lifetime, the person

with that heart likely lived for about:

a. 63 years

b. 60 years

c. 66 years

d. 73 years

6. Which of the following is least likely to be classified as a ‘prosthesis’:

a.functional neuromuscular stimulation system to restore standing function

b. body-powered mechanical limb after amputation

c.exoskeleton for standing and walking restoration after complete spinal cord injury

d. exoskeleton for minor hand grasp assistance after mild stroke

7. Which of the following most directly involves afferent pathway activation:

a. electromyography drive of a prosthesis

b. shoulder elevation to activate a body-powered prosthesis

c. ocular nerve stimulation to restore vision

d. functional neuromuscular stimulation for muscle contraction

8. Which of the following is not a typical stimulation parameter to adjust:

a. amplitude

b. frequency

c. pulse activation

d. pulse duration

9. Important design and functional specifications for a biomechanical implant should include:

a. smooth joint movements

b. structural efficiency of implant (load it supports compared to its mass)

c. minimizing contact stresses

d. all of the above

10. The major advantage of 3-D printing a biomechanical implant is:

a. custom color matching

b. fitting patient with pre-existing models

c.anatomical mimicry

d. surgical strategy

Explanation / Answer

1. d. Blood vessels include arteries, veins and capillaries.

2. c. Left ventricle ejects blood into aorta for systemic circulation to rest of the body.

9. d all are correct

10. d 3D printing helps in customized surgeries.

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